Ticket for six seats - how can I cancel one seat only? Normal fare 8 Sep

Sipax PNR:

BDBUMN

Passenger Name (Surname, Name)

Johnson, Betty

Fare(s) (see rules below)

Normal Fare

Number of Passengers:

6 Adults

Ticket Pickup & Validation

You are travelling on an eTicket, no paper ticket is needed prior to boarding the train. You will simply provide the ticket number (PNR) above to the Conductor for validation. Please note your train car(carriage) and seat number(s) below...

Segment 1

Depart:

Arrive:

Train: InterCity 665 Class: 1st Class

departure date or time) then cancellation of PNR and refunds can not be issued.